Self-oiling journal-box



(no Model.)

H. W. HILL. SELF OILING JOURNAL BOX.

No.,511,144. Patented Dec. 19, 1893.

j FIG.5

INVENTUR.

iumm WITNESSES.

PATENT FFICE.

HARRY W. HILL, OF CLEVELAND, OHIO.

SELF-OlLlNG JOURNAL-BOX.

SPECIFICATION forining part of Letters Patent No.'51i,144, datedDecember 19, 1893. Applicationfiled February 2'7, 1893. Serial No.468.833. (No model.)

To all whom it may concern.-

Be it known that I, HARRY W. HILL, a citizen of the United States,residing at Cleveland, in the county ofOuyahoga andiState of My inventionrelates to self-oiling journal boxes.

The objects are, first, to provide means for,

automatically delivering a copious supply of oil to the shaft bearings;second, to prevent the exudation of oil from between the base and cap ofthe box; third,for preventing un-' pleasant results from the accidentaloverflowiug of the oil receptacle.

YVith these ends in view, the invention consists in the construction andcombination of 1 parts hereinafter described and definitely pointed outin the claims.

In the drawings, Figure 1 is a side elevation of my improved journalbox, shown partly in section. Fig. 2 is a plan view of the same, with aportion of the cap removed. Fig. 3 is a vertical sectional view on line3-3 of Fig. 1. Fig. 4.- is a vertical sectional view on line 4-4: ofFig. 2; and Fig. 5 is an end view of the ring with which the oil islifted from the oil reservoir.

Referring to the parts by letter, A represents the base, which containsthe'lower half of the bearing for the shaft. In the lower part of thebase below the bearing is acavity a, which serves as a reservoir foroil.

E represents the removable cap, which contains the upper half of theshaft bearings. In the upper part of the cap is a cavity 19, which isdivided as hereinafter described, so as to form two oil receptacles,from which oil is delivered on to the shaft bearings through the holesI) 2). Near the center of the box is an annular groove 0 in both thebase and cap. The lower part of the groove enters the oil reservoir a,while the upper part opens into the cavity 17. Near both ends of the boxthe.

internal annular grooves F F are formed in both base and cap, and thelower parts of the said groove communicate with the oil reservoir a. Theouter edges of these grooves should n0t,preferably, touch the shaft.

Securely bolted to the shaft, which is journaled in the box, is a ringD. This ring lies in the groove C, and one of its functions is to act asa set collar to limit the longitudinal movement of the shaft in the box.In the edges of this ring is a series of radial pockets d, a part ofwhich are open on one side,

While the alternate pockets are open on the 7 oil flows into the severalpockets, in which it is lifted from the reservoir and thrown against theroof of the cavity 19 in the cap. Depending from the roof of this cavityb, di-

rectly over, the center of the ring D, is a deiflecting boss W, by whichthe oil is turned to the right and left into one or, the other of the-two oil receptacles formed in the cavity 1) by the ribs 11 which risefrom the floor of said cavity on both sides of the ring D. Oil thusdrawn from the reservoir a and discharged into the receptacle in thecap, flows through the holes I) b on to the shaft. It distributes itselfin all directions and finally flows into the grooves F F or into themiddle groove 0 and theuce'back to the reservoir a. By the constructionabove described, a copious supply of oil is delivered constantly on tothe shaft, and the excess flows back into the lower reservoir, fromwhich it is again lifted and distributed as before explained.

In all journal boxes which have a base and a cap, there isa tendency onthe part of the consist of the notches a which connect the canalsreferred to with the grooves F. The oil which, by the pressure of theshaft, or by capillary action, is forced between the base and cap, runsinto these canals, which interrupt the capillary action; andfrom thesecanals the oil is drained by the grooves F into the receptacle a.

To prevent the overflowing of the oil receptacle in the base, or to bemore exact, to provide means whereby the oil, if too much be fed intothe base, may beeaught without loss and before it has made the boxgreasy, I form in the base, and preferably integral therewith, one ormore small vertical overflow pipes L, which are open at their upperends, and which discharge through the bottom of the box. The position ofthe open upper end is below the lowest point at which'the oil mightoverflow from the ends of the box, whereby when too much oilis put intothe reservoir, it will flow throughthe overflow pipe L hereinbeforereferred to.

a removable cap having two oil receptacles in'it'siu'pper part onopposite sides of the oil lifting device, and openings from said recep-'-ta'cles totheshaft bearing, with an oil lifting device adapted to liftthe oil from the lower reservoir and to discharge it into the upperreceptacles,substantially as and for the purposespeci'fied.

- 2. In a-self-oiling journal box, the combination of abase'having anoil reservoir in its lower part1. and a cap having a cavity-in itsju'pperfpart and openings'from said cavity to theshaft bearingon'bothsides of'the oil'liftjug-ring, both base and cap being provided with anannular groove adapted to receive the oil lifting ring, with an oillifting ring adapted to be secured to the shaft with'its lower edgeextending into the oil reservoir; and a deflecting boss secured to theroof of the cavity in the cap, substantially as and for the purposespecified.

3. In a self-oiling journal box, the combination-of a'base having an oilreceptacle in its lower part, and a cap having an oil receptacle in itsupper part, with a ring adapted to be secured to the shaft and to enterboth of said receptacles, said ring having radial openings in its edge,a part of which are open on one side anda part on the other side,substantially as and for the purpose specified.

4. In a self-oiling journal box, the combination of a base havinganoilreservoir in its lower part, with a cap :having a cavity in itsupper part, and holes leading from said cavity'to the shaft bearin g,said base andicap being provided with a substantially-central annulargroove 0. adaptedtoreceive'it'he'oil lifting ring and theann nlar endgrooves F F,

with a ring adapted'to be' securedto the: shaft to enterthe oil areservoir iuthe base,'-aud-to extend into the oil cavity in' thecap,'-said ring having pockets in its outer edge, a *partiof which areopenon one side and apart ou -the other side thereof, and a deflectingb'ossdepending from the I rooftof thecavity i'nithe cap, substantiallyas; and forthe-purpose In testimony whereof 'I'aifix my signature inpresence of two witnesses. i HARRY? VVJ HILL.

Nitnesses:

- E. L. THURSTON, FRANK MILLER.

